Frances Elizabeth Notman was the family's eldest daughter. She was born in Glasgow, Scotland on July 23, 1855.

In November 1856, 16-month-old Fanny and her mother Alice crossed the Atlantic Ocean on board the ship S.S. Canadian, en route to Canada. There, they reunited with William Notman who had been living in Montreal since August of that year. In 1867, Fanny succumbed to meningitis at age 11.

William McFarlane, the eldest son of William Notman, was born November 1, 1857. He became a partner in the company in 1882 before inheriting it outright on the death of his father in 1891. He named his brother Charles (1870-1955) a partner in approximately 1894. William McFarlane died May 1, 1913.

Jessie Sloane Notman was the family's third child. In 1884, Jessie married Henry Martyn Belcher (1856-1923) at St. Martin's Anglican Church in Montreal. Reverend Samuel Belcher, the father of the groom, celebrated the marriage.